Portable optical disk drive



FIG. 1 is a perspective view of a portable optical disk drive showing our design;

FIG. 2 is a perspective view of a portable optical disk drive showing our design;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left side elevational view thereof; and,

FIG. 8 is a right side elevational view thereof. 

The ornamental design for a portable optical disk drive, as shown. 